DUBUQUE, Iowa--(BUSINESS WIRE)--Heartland Financial USA, Inc. (NASDAQ:HTLF) announced today that the company is expanding its executive ranks with the addition of Bruce K. Lee, who will join the company in the newly-created position of President. Lynn B. Fuller, Heartland’s President, Chairman and CEO, will continue in the positions of Chairman and CEO. Lee, who will join Heartland on January 2, 2015 from Fifth Third Bancorp, brings more than 30 years of experience in the banking industry. Duri